<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>font-style</title>
    <style>
        .style{
            /* 倾斜 */
            font-style: italic;
        }
        em{
            /* 正常的，不倾斜 */
            font-style: normal;
        }
    </style>
</head>
<body>
    <p class="style"> demo_style</p>
    <em>demo_em</em>
</body>
</html>

